java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:31,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:31,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:31,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:31,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:31,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:31,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:31,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:31,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:31,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:31,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:31,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:31,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:31,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:31,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:31,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:31,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:31,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:31,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:31,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:31,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:31,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:31,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:31,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:31,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:31,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:31,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:31,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:31,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:31,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:31,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:31,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:31,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:31,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:31,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:31,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:31,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:31,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:31,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:31,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:31,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:31,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:14:31,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:31,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:31,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:31,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:31,071 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:31,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:31,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:31,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:31,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:31,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:31,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:31,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:31,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:31,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:31,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:31,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:31,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:31,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:31,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:31,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:31,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:31,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:31,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:31,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:31,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:31,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:31,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:31,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:31,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:14:31,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:31,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:31,382 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:31,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:31,383 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:31,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2019-10-13 23:14:31,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5db7a78/ff6fe0badf6c409886b00f5b0818feab/FLAGae3278030 [2019-10-13 23:14:32,006 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:32,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product29.cil.c [2019-10-13 23:14:32,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5db7a78/ff6fe0badf6c409886b00f5b0818feab/FLAGae3278030 [2019-10-13 23:14:32,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5db7a78/ff6fe0badf6c409886b00f5b0818feab [2019-10-13 23:14:32,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:32,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:32,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:32,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:32,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:32,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:32,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b53542d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32, skipping insertion in model container [2019-10-13 23:14:32,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:32,317 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:32,359 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:32,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:32,843 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:32,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:32,973 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:32,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32 WrapperNode [2019-10-13 23:14:32,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:32,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:32,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:32,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:32,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:32,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:33,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:33,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:33,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:33,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:33,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... [2019-10-13 23:14:33,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:33,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:33,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:33,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:33,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:33,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:14:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:14:33,144 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:33,145 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 23:14:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:33,146 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 23:14:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:33,155 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 23:14:33,156 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:33,158 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 23:14:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:14:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 23:14:33,159 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 23:14:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 23:14:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:33,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:33,161 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:33,162 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:34,720 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:34,720 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:34,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:34 BoogieIcfgContainer [2019-10-13 23:14:34,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:34,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:34,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:34,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:34,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:32" (1/3) ... [2019-10-13 23:14:34,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f18b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:34, skipping insertion in model container [2019-10-13 23:14:34,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:32" (2/3) ... [2019-10-13 23:14:34,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f18b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:34, skipping insertion in model container [2019-10-13 23:14:34,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:34" (3/3) ... [2019-10-13 23:14:34,731 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product29.cil.c [2019-10-13 23:14:34,741 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:34,750 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:34,765 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:34,801 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:34,802 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:34,802 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:34,802 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:34,803 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:34,803 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:34,803 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:34,803 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:34,840 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2019-10-13 23:14:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-13 23:14:34,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:34,856 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:34,863 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:34,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:34,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1815255065, now seen corresponding path program 1 times [2019-10-13 23:14:34,884 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:34,886 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960669351] [2019-10-13 23:14:34,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,887 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:34,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:35,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:35,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960669351] [2019-10-13 23:14:35,238 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:35,239 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:35,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672542049] [2019-10-13 23:14:35,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:35,245 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:35,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:35,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:35,262 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2019-10-13 23:14:35,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:35,303 INFO L93 Difference]: Finished difference Result 203 states and 248 transitions. [2019-10-13 23:14:35,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:35,305 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-13 23:14:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:35,318 INFO L225 Difference]: With dead ends: 203 [2019-10-13 23:14:35,319 INFO L226 Difference]: Without dead ends: 102 [2019-10-13 23:14:35,323 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:35,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2019-10-13 23:14:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2019-10-13 23:14:35,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-13 23:14:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2019-10-13 23:14:35,381 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 42 [2019-10-13 23:14:35,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:35,382 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2019-10-13 23:14:35,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2019-10-13 23:14:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-13 23:14:35,389 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:35,389 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:35,389 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:35,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:35,391 INFO L82 PathProgramCache]: Analyzing trace with hash -137050956, now seen corresponding path program 1 times [2019-10-13 23:14:35,391 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:35,391 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906145537] [2019-10-13 23:14:35,392 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:35,392 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:35,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:35,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906145537] [2019-10-13 23:14:35,600 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:35,600 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:35,600 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534882796] [2019-10-13 23:14:35,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:35,603 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:35,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:35,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:35,604 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2019-10-13 23:14:35,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:35,643 INFO L93 Difference]: Finished difference Result 161 states and 187 transitions. [2019-10-13 23:14:35,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:35,644 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-13 23:14:35,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:35,651 INFO L225 Difference]: With dead ends: 161 [2019-10-13 23:14:35,652 INFO L226 Difference]: Without dead ends: 94 [2019-10-13 23:14:35,654 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:35,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-13 23:14:35,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-13 23:14:35,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-13 23:14:35,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2019-10-13 23:14:35,674 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 43 [2019-10-13 23:14:35,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:35,674 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2019-10-13 23:14:35,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2019-10-13 23:14:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-13 23:14:35,677 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:35,677 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:35,677 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:35,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:35,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1726892119, now seen corresponding path program 1 times [2019-10-13 23:14:35,678 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:35,678 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732287849] [2019-10-13 23:14:35,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:35,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:35,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:35,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:35,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732287849] [2019-10-13 23:14:35,826 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:35,826 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:35,826 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542565994] [2019-10-13 23:14:35,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:35,827 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:35,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:35,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:35,828 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 7 states. [2019-10-13 23:14:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:36,174 INFO L93 Difference]: Finished difference Result 166 states and 193 transitions. [2019-10-13 23:14:36,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:36,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2019-10-13 23:14:36,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:36,178 INFO L225 Difference]: With dead ends: 166 [2019-10-13 23:14:36,179 INFO L226 Difference]: Without dead ends: 94 [2019-10-13 23:14:36,180 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:36,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2019-10-13 23:14:36,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2019-10-13 23:14:36,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-13 23:14:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2019-10-13 23:14:36,199 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 45 [2019-10-13 23:14:36,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:36,200 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2019-10-13 23:14:36,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2019-10-13 23:14:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-13 23:14:36,208 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:36,208 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:36,208 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:36,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:36,209 INFO L82 PathProgramCache]: Analyzing trace with hash -104864905, now seen corresponding path program 1 times [2019-10-13 23:14:36,209 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:36,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204615028] [2019-10-13 23:14:36,210 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:36,210 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:36,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:36,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:36,366 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204615028] [2019-10-13 23:14:36,366 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:36,366 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:36,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813900476] [2019-10-13 23:14:36,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:36,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:36,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:36,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:36,368 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 6 states. [2019-10-13 23:14:36,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:36,573 INFO L93 Difference]: Finished difference Result 231 states and 270 transitions. [2019-10-13 23:14:36,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:36,574 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2019-10-13 23:14:36,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:36,578 INFO L225 Difference]: With dead ends: 231 [2019-10-13 23:14:36,578 INFO L226 Difference]: Without dead ends: 159 [2019-10-13 23:14:36,579 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:36,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2019-10-13 23:14:36,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2019-10-13 23:14:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2019-10-13 23:14:36,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 178 transitions. [2019-10-13 23:14:36,601 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 178 transitions. Word has length 58 [2019-10-13 23:14:36,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:36,601 INFO L462 AbstractCegarLoop]: Abstraction has 155 states and 178 transitions. [2019-10-13 23:14:36,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:36,602 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 178 transitions. [2019-10-13 23:14:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 23:14:36,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:36,604 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:14:36,604 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:36,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:36,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1801593369, now seen corresponding path program 1 times [2019-10-13 23:14:36,604 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:36,605 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169287383] [2019-10-13 23:14:36,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:36,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:36,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:14:36,720 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169287383] [2019-10-13 23:14:36,720 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:36,721 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:36,721 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673200268] [2019-10-13 23:14:36,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:36,721 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:36,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:36,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:36,722 INFO L87 Difference]: Start difference. First operand 155 states and 178 transitions. Second operand 7 states. [2019-10-13 23:14:37,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:37,018 INFO L93 Difference]: Finished difference Result 237 states and 278 transitions. [2019-10-13 23:14:37,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:37,018 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 23:14:37,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:37,020 INFO L225 Difference]: With dead ends: 237 [2019-10-13 23:14:37,020 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:37,022 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:14:37,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:37,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:37,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2019-10-13 23:14:37,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:37,049 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:37,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:37,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:37,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:37,055 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:37,933 INFO L443 ceAbstractionStarter]: For program point L573(lines 550 574) no Hoare annotation was computed. [2019-10-13 23:14:37,934 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 561) no Hoare annotation was computed. [2019-10-13 23:14:37,934 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2019-10-13 23:14:37,934 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2019-10-13 23:14:37,934 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2019-10-13 23:14:37,934 INFO L443 ceAbstractionStarter]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2019-10-13 23:14:37,935 INFO L443 ceAbstractionStarter]: For program point L634(lines 607 635) no Hoare annotation was computed. [2019-10-13 23:14:37,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2019-10-13 23:14:37,935 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-13 23:14:37,935 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-13 23:14:37,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2019-10-13 23:14:37,935 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2019-10-13 23:14:37,936 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-10-13 23:14:37,936 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 430 436) the Hoare annotation is: true [2019-10-13 23:14:37,936 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 430 436) no Hoare annotation was computed. [2019-10-13 23:14:37,936 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 437 445) no Hoare annotation was computed. [2019-10-13 23:14:37,937 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 437 445) the Hoare annotation is: true [2019-10-13 23:14:37,937 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 388 410) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,937 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 388 410) no Hoare annotation was computed. [2019-10-13 23:14:37,938 INFO L439 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:37,939 INFO L439 ceAbstractionStarter]: At program point L400-1(line 400) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0))) [2019-10-13 23:14:37,939 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 405) no Hoare annotation was computed. [2019-10-13 23:14:37,939 INFO L443 ceAbstractionStarter]: For program point L398-1(lines 398 405) no Hoare annotation was computed. [2019-10-13 23:14:37,939 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-10-13 23:14:37,940 INFO L439 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,940 INFO L439 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,940 INFO L439 ceAbstractionStarter]: At program point L394-1(line 394) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,940 INFO L443 ceAbstractionStarter]: For program point L353(line 353) no Hoare annotation was computed. [2019-10-13 23:14:37,940 INFO L443 ceAbstractionStarter]: For program point L352(line 352) no Hoare annotation was computed. [2019-10-13 23:14:37,941 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 344 367) no Hoare annotation was computed. [2019-10-13 23:14:37,941 INFO L443 ceAbstractionStarter]: For program point L351(line 351) no Hoare annotation was computed. [2019-10-13 23:14:37,941 INFO L443 ceAbstractionStarter]: For program point L350(line 350) no Hoare annotation was computed. [2019-10-13 23:14:37,941 INFO L443 ceAbstractionStarter]: For program point L349(line 349) no Hoare annotation was computed. [2019-10-13 23:14:37,941 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 344 367) no Hoare annotation was computed. [2019-10-13 23:14:37,941 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 344 367) no Hoare annotation was computed. [2019-10-13 23:14:37,941 INFO L443 ceAbstractionStarter]: For program point L362(line 362) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L360(line 360) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L359(line 359) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L358(line 358) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L357(line 357) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L355(line 355) no Hoare annotation was computed. [2019-10-13 23:14:37,942 INFO L443 ceAbstractionStarter]: For program point L354(line 354) no Hoare annotation was computed. [2019-10-13 23:14:37,943 INFO L439 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,943 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2019-10-13 23:14:37,943 INFO L439 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,943 INFO L443 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2019-10-13 23:14:37,943 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2019-10-13 23:14:37,944 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 85 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,944 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 85 109) no Hoare annotation was computed. [2019-10-13 23:14:37,944 INFO L439 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,944 INFO L443 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2019-10-13 23:14:37,944 INFO L439 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,944 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 180 188) no Hoare annotation was computed. [2019-10-13 23:14:37,945 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 180 188) the Hoare annotation is: true [2019-10-13 23:14:37,945 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 225 243) the Hoare annotation is: true [2019-10-13 23:14:37,945 INFO L446 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: true [2019-10-13 23:14:37,945 INFO L443 ceAbstractionStarter]: For program point L232-1(line 232) no Hoare annotation was computed. [2019-10-13 23:14:37,945 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 225 243) no Hoare annotation was computed. [2019-10-13 23:14:37,945 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-13 23:14:37,945 INFO L443 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2019-10-13 23:14:37,946 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 189 224) no Hoare annotation was computed. [2019-10-13 23:14:37,946 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 189 224) no Hoare annotation was computed. [2019-10-13 23:14:37,946 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 423 429) no Hoare annotation was computed. [2019-10-13 23:14:37,946 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 423 429) the Hoare annotation is: true [2019-10-13 23:14:37,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2019-10-13 23:14:37,946 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2019-10-13 23:14:37,946 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2019-10-13 23:14:37,947 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2019-10-13 23:14:37,947 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 375 384) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,947 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 375 384) no Hoare annotation was computed. [2019-10-13 23:14:37,947 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 375 384) no Hoare annotation was computed. [2019-10-13 23:14:37,947 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 169 179) the Hoare annotation is: true [2019-10-13 23:14:37,947 INFO L446 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: true [2019-10-13 23:14:37,948 INFO L443 ceAbstractionStarter]: For program point L174-1(line 174) no Hoare annotation was computed. [2019-10-13 23:14:37,952 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 169 179) no Hoare annotation was computed. [2019-10-13 23:14:37,952 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 161 168) the Hoare annotation is: true [2019-10-13 23:14:37,952 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 161 168) no Hoare annotation was computed. [2019-10-13 23:14:37,952 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 111 135) no Hoare annotation was computed. [2019-10-13 23:14:37,952 INFO L439 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,953 INFO L439 ceAbstractionStarter]: At program point L121(line 121) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,953 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 127) no Hoare annotation was computed. [2019-10-13 23:14:37,953 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 111 135) no Hoare annotation was computed. [2019-10-13 23:14:37,953 INFO L439 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,953 INFO L443 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2019-10-13 23:14:37,961 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 111 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,962 INFO L443 ceAbstractionStarter]: For program point L115(lines 115 132) no Hoare annotation was computed. [2019-10-13 23:14:37,962 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,962 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 77 83) no Hoare annotation was computed. [2019-10-13 23:14:37,962 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 77 83) the Hoare annotation is: true [2019-10-13 23:14:37,962 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 248 311) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,962 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 248 311) no Hoare annotation was computed. [2019-10-13 23:14:37,963 INFO L439 ceAbstractionStarter]: At program point L304(lines 257 305) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,963 INFO L439 ceAbstractionStarter]: At program point L294-2(lines 288 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,963 INFO L443 ceAbstractionStarter]: For program point L259(lines 258 303) no Hoare annotation was computed. [2019-10-13 23:14:37,966 INFO L439 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,966 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 284) no Hoare annotation was computed. [2019-10-13 23:14:37,966 INFO L443 ceAbstractionStarter]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2019-10-13 23:14:37,966 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,967 INFO L439 ceAbstractionStarter]: At program point L301(lines 258 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:37,967 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 274) no Hoare annotation was computed. [2019-10-13 23:14:37,967 INFO L443 ceAbstractionStarter]: For program point L268-1(lines 268 274) no Hoare annotation was computed. [2019-10-13 23:14:37,967 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 248 311) no Hoare annotation was computed. [2019-10-13 23:14:37,967 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2019-10-13 23:14:37,967 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2019-10-13 23:14:37,967 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 136 143) no Hoare annotation was computed. [2019-10-13 23:14:37,967 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 136 143) no Hoare annotation was computed. [2019-10-13 23:14:37,968 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 920 928) the Hoare annotation is: true [2019-10-13 23:14:37,969 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 920 928) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 413 422) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 413 422) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 689) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point L694(lines 693 713) no Hoare annotation was computed. [2019-10-13 23:14:37,970 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point L725-1(line 725) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 731) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point L709-1(line 709) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 672) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2019-10-13 23:14:37,971 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2019-10-13 23:14:37,972 INFO L443 ceAbstractionStarter]: For program point L714(lines 692 715) no Hoare annotation was computed. [2019-10-13 23:14:37,972 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 23:14:37,972 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:37,972 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 144 160) no Hoare annotation was computed. [2019-10-13 23:14:37,972 INFO L443 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2019-10-13 23:14:37,972 INFO L443 ceAbstractionStarter]: For program point L155-1(lines 144 160) no Hoare annotation was computed. [2019-10-13 23:14:37,972 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 144 160) no Hoare annotation was computed. [2019-10-13 23:14:37,972 INFO L443 ceAbstractionStarter]: For program point L151(lines 151 157) no Hoare annotation was computed. [2019-10-13 23:14:37,973 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-10-13 23:14:37,973 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-13 23:14:37,973 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 911 919) no Hoare annotation was computed. [2019-10-13 23:14:37,973 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2019-10-13 23:14:37,973 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: true [2019-10-13 23:14:37,973 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2019-10-13 23:14:37,973 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:37,973 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:37,974 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 879 887) the Hoare annotation is: true [2019-10-13 23:14:37,974 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2019-10-13 23:14:37,974 INFO L439 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,974 INFO L439 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,974 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2019-10-13 23:14:37,974 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,975 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2019-10-13 23:14:37,975 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2019-10-13 23:14:37,975 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,975 INFO L446 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: true [2019-10-13 23:14:37,975 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 314 343) no Hoare annotation was computed. [2019-10-13 23:14:37,975 INFO L443 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2019-10-13 23:14:37,975 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 314 343) the Hoare annotation is: true [2019-10-13 23:14:37,976 INFO L446 ceAbstractionStarter]: At program point L339(lines 314 343) the Hoare annotation is: true [2019-10-13 23:14:37,976 INFO L443 ceAbstractionStarter]: For program point L335(line 335) no Hoare annotation was computed. [2019-10-13 23:14:37,976 INFO L443 ceAbstractionStarter]: For program point L328(lines 328 332) no Hoare annotation was computed. [2019-10-13 23:14:37,976 INFO L446 ceAbstractionStarter]: At program point L328-1(lines 328 332) the Hoare annotation is: true [2019-10-13 23:14:37,976 INFO L446 ceAbstractionStarter]: At program point L324-2(lines 324 338) the Hoare annotation is: true [2019-10-13 23:14:37,977 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: true [2019-10-13 23:14:37,977 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2019-10-13 23:14:37,977 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 368 374) no Hoare annotation was computed. [2019-10-13 23:14:37,977 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 368 374) the Hoare annotation is: true [2019-10-13 23:14:37,977 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:37,977 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:37,978 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:37,978 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:37,978 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2019-10-13 23:14:37,978 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: true [2019-10-13 23:14:37,978 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 930 937) the Hoare annotation is: true [2019-10-13 23:14:37,978 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 934) no Hoare annotation was computed. [2019-10-13 23:14:37,978 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 930 937) no Hoare annotation was computed. [2019-10-13 23:14:37,979 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 448 472) the Hoare annotation is: true [2019-10-13 23:14:37,979 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 448 472) no Hoare annotation was computed. [2019-10-13 23:14:37,979 INFO L439 ceAbstractionStarter]: At program point L462(line 462) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-10-13 23:14:37,979 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 466) no Hoare annotation was computed. [2019-10-13 23:14:37,979 INFO L439 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:37,979 INFO L443 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2019-10-13 23:14:37,979 INFO L443 ceAbstractionStarter]: For program point L456(lines 456 469) no Hoare annotation was computed. [2019-10-13 23:14:37,979 INFO L443 ceAbstractionStarter]: For program point L456-1(lines 448 472) no Hoare annotation was computed. [2019-10-13 23:14:37,980 INFO L446 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: true [2019-10-13 23:14:37,980 INFO L443 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2019-10-13 23:14:38,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:38 BoogieIcfgContainer [2019-10-13 23:14:38,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:38,009 INFO L168 Benchmark]: Toolchain (without parser) took 5705.81 ms. Allocated memory was 144.7 MB in the beginning and 248.5 MB in the end (delta: 103.8 MB). Free memory was 101.6 MB in the beginning and 90.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 114.6 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:38,012 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:38,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.97 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.4 MB in the beginning and 168.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:38,015 INFO L168 Benchmark]: Boogie Preprocessor took 91.38 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 164.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:38,021 INFO L168 Benchmark]: RCFGBuilder took 1656.18 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.0 MB in the beginning and 147.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:38,022 INFO L168 Benchmark]: TraceAbstraction took 3281.76 ms. Allocated memory was 233.8 MB in the beginning and 248.5 MB in the end (delta: 14.7 MB). Free memory was 147.6 MB in the beginning and 90.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:38,035 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.97 ms. Allocated memory was 144.7 MB in the beginning and 201.3 MB in the end (delta: 56.6 MB). Free memory was 101.4 MB in the beginning and 168.1 MB in the end (delta: -66.7 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.38 ms. Allocated memory is still 201.3 MB. Free memory was 168.1 MB in the beginning and 164.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1656.18 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 164.0 MB in the beginning and 147.6 MB in the end (delta: 16.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3281.76 ms. Allocated memory was 233.8 MB in the beginning and 248.5 MB in the end (delta: 14.7 MB). Free memory was 147.6 MB in the beginning and 90.8 MB in the end (delta: 56.8 MB). Peak memory consumption was 71.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 934]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 183 locations, 1 error locations. Result: SAFE, OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 507 SDtfs, 225 SDslu, 784 SDs, 0 SdLazy, 318 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 315 PreInvPairs, 327 NumberOfFragments, 466 HoareAnnotationTreeSize, 315 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 813 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 23138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...